9711680

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:148

約数の個数: 112

約数和(自身を含む): 26334720

約数和(自身を除く): 16623040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 89, 110, 124, 155, 160, 176, 178, 220, 248, 310, 320, 341, 352, 356, 440, 445, 496, 620, 682, 704, 712, 880, 890, 979, 992, 1240, 1364, 1424, 1705, 1760, 1780, 1958, 1984, 2480, 2728, 2759, 2848, 3410, 3520, 3560, 3916, 4895, 4960, 5456, 5518, 5696, 6820, 7120, 7832, 9790, 9920, 10912, 11036, 13640, 13795, 14240, 15664, 19580, 21824, 22072, 27280, 27590, 28480, 30349, 31328, 39160, 44144, 54560, 55180, 60698, 62656, 78320, 88288, 109120, 110360, 121396, 151745, 156640, 176576, 220720, 242792, 303490, 313280, 441440, 485584, 606980, 882880, 971168, 1213960, 1942336, 2427920, 4855840, 9711680]

約数ペア:

[(1, 9711680), (2, 4855840), (4, 2427920), (5, 1942336), (8, 1213960), (10, 971168), (11, 882880), (16, 606980), (20, 485584), (22, 441440), (31, 313280), (32, 303490), (40, 242792), (44, 220720), (55, 176576), (62, 156640), (64, 151745), (80, 121396), (88, 110360), (89, 109120), (110, 88288), (124, 78320), (155, 62656), (160, 60698), (176, 55180), (178, 54560), (220, 44144), (248, 39160), (310, 31328), (320, 30349), (341, 28480), (352, 27590), (356, 27280), (440, 22072), (445, 21824), (496, 19580), (620, 15664), (682, 14240), (704, 13795), (712, 13640), (880, 11036), (890, 10912), (979, 9920), (992, 9790), (1240, 7832), (1364, 7120), (1424, 6820), (1705, 5696), (1760, 5518), (1780, 5456), (1958, 4960), (1984, 4895), (2480, 3916), (2728, 3560), (2759, 3520), (2848, 3410)]